A-Level Physics Specification

OCR A H556

Section 4.5.3: Wave–particle duality

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#4.5.3a

electron diffraction, including experimental evidence of this effect

Learners should understand that electron diffraction provides evidence for wave-like behaviour of particles.

#4.5.3b

diffraction of electrons travelling through a thin slice of polycrystalline graphite by the atoms of graphite and the spacing between the atoms

#4.5.3c

the de Broglie equation \(λ = \dfrac{h}{p} \)